<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width= <style>
        .container {
          background-color: cadetblue;
          /* 将当前元素变为伸缩盒 */
          display: flex;
        }
    
        .container>div {
          width: 200px;
          height: 200px;
          margin: 10px;
          border: 1px solid #333;
          background-color: orange;
        }
      </style>
    </head>
    
    <body>
      <div class="container">
        <div id="one"></div>
        <div id="two"></div>
        <div id="three"></div>
      </div>, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
</html>